The keto, short for ketogenic diet, is a low-carb high-fat diet which is similar to the Atkins Diet.

By following this diet, it puts the body into a state of ketosis, which means it starts using ketone bodies – burning more fat.

Although everyone’s bodies needs different things, it usually means:

According to the NHS, the best thing to do if you want to lose weight is speak to your GP and read about healthy weight on the website.

Doctors and nutritionists have also pointed out that the keto diet is not sustainable long term.

Dr Alan Barclay, Dietitian and Research Associate at The University of Sydney, said: “It’s not something that I recommend for the general population for the long-term.

“By drastically cutting out carbohydrate-containing foods, you’ll miss out on the nutritional benefits of healthy choices like whole grains, fruit, starchy vegetables, and legumes such as beans, chickpeas and lentils.

“If you’re looking to lose weight, burning fat may sound like the key to success, but in actual fact it comes with some risks, and may not be effective in the long term.

“The Ketogenic diet is a short-term solution to a long-term healthy problem.”